Home / 291,135,572.14-436,854,496.80-118,738,864.30

Finding the Fourth Proportional to 291,135,572.14, 436,854,496.80 and 118,738,864.30

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Solution

The fourth proportional to 291,135,572.14, 436,854,496.80 and 118,738,864.30 is: 178,169,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,135,572.14 : 436,854,496.80 = 118,738,864.30 : x
  2. Step 2: Convert to fraction form
    291,135,572.14/436,854,496.80 = 118,738,864.30/x
  3. Step 3: Cross multiply
    291,135,572.14x = 436,854,496.80 × 118,738,864.30
  4. Step 4: Simplify right side
    291,135,572.14x = 51,871,606,814,379,984
  5. Step 5: Solve for x
    x = 51,871,606,814,379,984/291,135,572.14
  6. Step 6: Final answer
    x = 178,169,937.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.